Our Data Sources
12, Twelfth Avenue, Merthyr Tydfil has no records in the Land Registry and a single entry in the EPC database dated October 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 12, Twelfth Avenue, Merthyr Tydfil is in very good condition we estimate a sale value of £127,908 and a rental value of £793 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £113,290 and a rental value of £702 per month.
Plot Size
According to data from HM Land Registry, 12, Twelfth Avenue, Merthyr Tydfil sits on a plot of 252 m2.
We have plot size data on 17 out of 23 other houses in the postcode and 12, Twelfth Avenue, Merthyr Tydfil sits on the 12th largest plot.
Energy Efficiency
12, Twelfth Avenue, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Oct 2013.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 140 sales of properties similar to 12, Twelfth Avenue, Merthyr Tydfil within a radius of 770 metres since 2014.
The most recent example is 38, Chestnut Way, Merthyr Tydfil, CF47 9SB, a freehold house which sold for £112,000 on the 26th January 2026.
Read more about house prices in CF47.
- Sold Jan 2026£112,000 | 3 Bed House38, Chestnut Way, Merthyr Tydfil, CF47 9SB38, Chestnut Way, Merthyr Tydfil, CF47 9SB
- Sold Nov 2025£95,500 | 3 Bed House4, Eleventh Avenue, Merthyr Tydfil, CF47 9SU4, Eleventh Avenue, Merthyr Tydfil, CF47 9SU
- Sold Nov 2025£85,000 | 3 Bed House32, Chestnut Way, Merthyr Tydfil, CF47 9SB32, Chestnut Way, Merthyr Tydfil, CF47 9SB
- Sold Aug 2025£120,500 | 3 Bed House48, First Avenue, Merthyr Tydfil, CF47 9UH48, First Avenue, Merthyr Tydfil, CF47 9UH
- Sold Jun 2025£77,000 | 3 Bed House91, Haydn Terrace, Merthyr Tydfil, CF47 9YJ91, Haydn Terrace, Merthyr Tydfil, CF47 9YJ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £127,261, ranging from £107,054 to £152,558.
- 8 Twelfth Avenue
3 Bed House | 17 m | Est. Value: £129,309
- 14 Twelfth Avenue
3 Bed House | 17 m | Est. Value: £135,438
- 6 Twelfth Avenue
3 Bed House | 23 m | Est. Value: £111,984
- 16 Twelfth Avenue
3 Bed House | 28 m | Est. Value: £134,229
- 3A Twelfth Avenue
3 Bed House | 31 m | Est. Value: £126,937
Location Comparison
Twelfth Avenue, Merthyr Tydfil, CF47 has a total of 63 addresses. According to our analysis of all the public data, 12, Twelfth Avenue, Merthyr Tydfil is the 33rd largest and the 34th most expensive property on the street.
When compared to the postcode district it is £34k less expensive than the average property in CF47.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|2.4 km away
- Pentre-Bach|4.6 km away
- Rhymney|5.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












